Eriogonum umbellatum Torr.


Family	POLYGONACEAE
Genus species	Eriogonum umbellatum Torr. sect. Oligogonum
Synonyms	Eriogonum cupreum Gand.
	Eriogonum latum Small ex Rydb.
	Eriogonum tolmieanum Hook.
Habitat	grassland and rocks
Altitude	200-3700m
Description	floral stems tomentose, leaves elliptic to ovate, abaxially white or grey lanate, adaxially sometimes glabrous and green, flat, inflorescence umbellate, flowers 4-7mm
Size	10-90cm
Color	white, yellow, red
Bloom	summer
Ca
Type	subshrub, carpet
Cultivation	sunny, dry, rock crevices, protection against winter wet alpine house, poor, drained soil, sun
Propagation	seed in spring, germ. 1-3 months, 13-18°C cuttings in late summer
Territory	Northern America Western Canada (Alberta , British Columbia ) Northwestern U.S.A. (Colorado , Idaho , Montana , Oregon , Washington , Wyoming ) Southwestern U.S.A. (Arizona , California , Nevada , Utah)
Bibliography	Plants of the World online powo.science.kew.org International Plant Names Index www.ipni.org

Comments	POLYGONACEAE Eriogonum umbellatum Torr., Ann. Lyceum Nat. Hist. New York 2: 241 (1827) w. Canada, w. USA 71 ABT BRC 73 COL IDA MNT ORE WAS WYO 76 ARI CAL NEV UTA 200-3700m umbellatum typicum S.Stokes, Eriogonum 107, 108 (1936) Synonyms: Eriogonum cupreum Gand. Eriogonum latum Small ex Rydb. Eriogonum tolmieanum Hook. Eriogonum umbellatum californicum Gand. Eriogonum umbellatum crandallii Gand. Eriogonum umbellatum monocephalum Torr. & A.Gray Eriogonum umbellatum tolmieanum (Hook.) M.E.Jones w. & s. USA 73 COL IDA MNT WYO 76 UTA 77 NWM 1000-3100m umbellatum ahartii Reveal, Phytologia 86: 146 (2004) California 76 CAL 400-2000m umbellatum argus Reveal, Phytologia 66: 261 (1989) Oregon, California 73 ORE 76 CAL 900-2500m umbellatum aureum (Gand.) Reveal, Taxon 17: 532 (1968) Basionym: Eriogonum glaberrimum aureum Gand., Bull. Soc. Roy. Bot. Belgique 42: 195 (1906) Synonyms: Eriogonum azaleastrum Greene Eriogonum marginale Gand. Eriogonum neglectum Greene Eriogonum umbellatum glabratum S.Stokes Eriogonum umbellatum intectum A.Nelson Eriogonum umbellatum umbelliferum (Small) S.Stokes Eriogonum umbelliferum Small w. USA 73 COL IDA MNT ORE WYO 76 NEV UTA 1600-3200m umbellatum bahiiforme (Torr. & A.Gray) Jeps., Fl. Calif. 1: 425 (1913) Basionym: Eriogonum polyanthum bahiiforme Torr. & A.Gray, Proc. Amer. Acad. Arts 8: 159 (1870) Synonyms: Eriogonums stellatum bahiiforme (Torr. & A.Gray) S.Watson Eriogonum trichotomum Small w. California 76 CAL 700-2000m umbellatum canifolium Reveal, Phytologia 86: 147 (2004) California 76 CAL 2400-2600m umbellatum chlorothamnus Reveal, Calif. Fl. [P.A.Munz] Suppl. 44 (1968) e. California 76 CAL 1600-2900m umbellatum cladophorum Gand., Bull. Soc. Roy. Bot. Belgique, Compt.-Rend. 42: 198 (1906) Synonyms: Eriogonum rydbergii Greene Wyoming 73 WYO 2000-2300m umbellatum cognatum (Greene) Reveal, S. W. Naturalist 13: 357 (1968) Basionym: Eriogonum cognatum Greene, Pittonia 3: 201 (1897) Arizona 76 ARI 1600-2200m umbellatum covillei (Small) Munz & Reveal, Calif. Fl. [P.A.Munz] Suppl. 43 (1968) Basionym: Eriogonum covillei Small, Bull. Torrey Bot. Club 25: 42 (1898) Synonyms: Eriogonum ursinum covillei (Small) S.Stokes Eriogonum rubidum frigidum Gand. California 76 CAL 3000-3600m umbellatum desereticum Reveal, Great Basin Naturalist 35: 365 (1975) w. USA 73 IDA MNT WYO 76 NEV UTA 1500-3300m umbellatum devestivum Reveal, Great Basin Naturalist 32: 115 (1972) nw. USA 73 IDA ORE WAS 800-1800m umbellatum dichrocephalum Gand., Bull. Soc. Roy. Bot. Belgique, Compt.-Rend. 42: 199 (1906) Synonyms: Eriogonum aridum Greene Eriogonum umbellatum aridum (Greene) S.Stokes w. USA 73 IDA MNT ORE WYO 76 CAL NEV UTA 1200-3400m umbellatum dumosum (Greene) Reveal, Harvard Pap. Bot. 9: 202 (2004) Basionym: Eriogonum dumosum Greene, Pittonia 3: 199 (1897) Oregon, California 73 ORE 76 CAL 300-1200m umbellatum ellipticum (Nutt.) Reveal, Taxon 32: 294 (1983) Basionym: Eriogonum ellipticum Nutt., Proc. Acad. Nat. Sci. Philadelphia 4(Mar.-Apr.): 14 (1848) Synonyms: Eriogonum croceum Small Eriogonum stellatum Benth. Eriogonum umbellatum chrysanthum Gand. Eriogonum umbellatum croceum (Small) S.Stokes Eriogonum umbellatum stellatum (Benth.) S.Stokes nw. USA 73 IDA MNT ORE WAS 700-2400m umbellatum furcosum Reveal, Great Basin Naturalist 45: 278 (1985) California, Nevada 76 CAL NEV 1200-3000m umbellatum glaberrimum (Gand.) Reveal, Taxon 17: 532 (1968) Basionym: Eriogonum glaberrimum Gand., Bull. Soc. Roy. Bot. Belgique, Compt.-Rend. 42: 195 (1906) Oregon, California 73 ORE 76 CAL 1600-2300m umbellatum goodmanii Reveal, Phytologia 66: 259 (1989) Oregon, California 73 ORE 76 CAL 400-2100m umbellatum haussknechtii (Dammer) M.E.Jones, Contr. W. Bot. 11: 6 (1903) Basionym: Eriogonum haussknechtii Dammer, Gartenflora 40: 493 (1891) Synonyms: Eriogonum montanum Howell Oregon, Washington 73 ORE WAS 1000-3100m umbellatum humistratum Reveal, Phytologia 66: 260 (1989) n. California 76 CAL 1700-2800m umbellatum hypoleium Piper, Contr. U.S. Natl. Herb. 11: 238 (1906) Washington 73 WAS 900-2100m umbellatum juniporinum Reveal, Great Basin Naturalist 45: 279 (1985) sw. USA 76 ARI CAL NEV UTA 1300-2500m umbellatum lautum Reveal, Phytologia 86: 148 (2004) n. California 76 CAL 800-900m umbellatum majus Hook., Hooker‘s J. Bot. Kew Gard. Misc. 5: 264 (1853) Synonyms: Eriogonum subalpinum Greene Eriogonum subalpinum arachnoideum Gand. Eriogonum subalpinum stenophyllum Gand. Eriogonum subalpinum subnivale Gand. Eriogonum subalpinum vulcanicum Gand. Eriogonum umbellatum subalpinum (Greene) S.Stokes w. Canada, nw. USA, Utah 71 ABT BRC 73 COL IDA MNT WAS WYO 76 UTA 800-3500m umbellatum minus I.M.Johnst., Bull. S. Calif. Acad. Sci. 17: 64 (1918) Synonyms: Eriogonum minus (I.M.Johnst.) Ewan California 76 CAL 1800-3100m umbellatum modocense (Greene) S.Stokes, Eriogonum 110 (1936) Basionym: Eriogonum modocense Greene, Pittonia 5: 68 (1901) w. USA 73 IDA ORE 76 CAL NEV 200-2600m umbellatum mohavense Reveal, Phytologia 86: 149 (2004) Arizona 76 ARI 1200-1600m umbellatum munzii Reveal, Aliso 7: 218 (1970) sw. California 76 CAL 1500-2900m umbellatum nelsoniorum Reveal, Phytologia 86: 151 (2004) California 76 CAL 1500-2300m umbellatum nevadense Gand., Bull. Soc. Roy. Bot. Belgique, Compt.-Rend. 42: 198 (1906) Synonyms: Eriogonum reclinatum Greene Oregon, sw. USA 73 ORE 76 CAL NEV 1000-3400m umbellatum polyanthum (Benth.) M.E.Jones, Contr. W. Bot. 11: 5 (1903) Basionym: Eriogonum polyanthum Benth., Prodr. [A.P.de Candolle] 14: 12 (1856) California 76 CAL umbellatum porteri (Small) S.Stokes, Eriogonum 109 (1936) Basionym: Eriogonum porteri Small, Bull. Torrey Bot. Club 25: 41 (1898) Colorado, sw. USA 73 COL 76 NEV UTA 2400-3700m umbellatum ramulosum Reveal, Phytologia 86: 153 (2004) Colorado 73 COL 1600-2700m umbellatum sandbergii Reveal, Phytologia 86: 154 (2004) Washington 73 WAS 300-1200m umbellatum smallianum (A.Heller) S.Stokes, Eriogonum 113 (1936) Basionym: Eriogonum smallianum A.Heller, Bull. S. Calif. Acad. Sci. 2: 68 (1903) California 76 CAL 700-2000m umbellatum speciosum (Drew) S.Stokes, Eriogonum 112 (1936) Basionym: Eriogonum speciosum Drew, Bull. Torrey Bot. Club 16: 152 (1889) n. California 76 CAL 100-800m umbellatum stragulum Reveal, Phytologia 86: 156 (2004) nw. USA, Nevada 73 IDA WYO 76 NEV 1400-2500m umbellatum subaridum S.Stokes, Leafl. W. Bot. 2: 53 (1937) Synonyms: Eriogonum biumbellatum Rydb. Eriogonum ferrissii A.Nelson Eriogonum umbellatum ferrissii (A.Nelson) S.Stokes Colorado, w. USA 73 COL 76 ARI CAL NEV UTA 1200-3100m umbellatum torreyanum (A.Gray) M.E.Jones, Contr. W. Bot. 11: 5 (1903) Basionym: Eriogonum torreyanum A.Gray, Proc. Amer. Acad. Arts 8: 158 (1870) nc. California 76 CAL 1800-2400m umbellatum vernum Reveal, Great Basin Naturalist 28: 157 (1968) Nevada 76 NEV 1400-2200m umbellatum versicolor S.Stokes, Leafl. W. Bot. 3: 17 (1941) sw. USA 76 CAL NEV 1900-3300m